根的分佈 的英文怎麼說
中文拼音 [gēndefēnbù]
根的分佈
英文
root distridution-
In the course of studying the fibre parameter in different development period, it was discovered that the rod density increased from the top to the middle of the boule
考察纖維參數在不同生長階段的分佈規律發現,從頂部到中段纖維密度增大,從中部到根部纖維密度基本不變化。In this paper, we investigated the fruits and seeds in detail from yunnan in the age of miocene and from shanxi in the age of pliocene. 1. a miocene flora of fruits and seeds is reported from a brown coal mine, named as mangdan, in western yunnan, sw china
本論文首次對我國雲南和山西晚第三紀的果實和種子進行專門研究,並根據它們對應的現存最近親緣植物的分佈及生態特徵分析和重建了當時當地的古植被、古環境和古氣候。The conodont fauna of late permian to early triassic from yangou section in leping area, jiangxi province was discussed in this paper. all of the conodont individuals founded in this section were listed in a figure. according to the distribution of the important conodont elements, this section was divided into three conodont zones from the upper permian to the lower triassic
討論了贛中樂平地區沿溝剖面上二疊統至下三疊統地層的牙形石動物群,列出了牙形石的各個形態屬種在地層中的分佈及其數量變化。根據特徵牙形石分子的地層分佈,將該段地層自下而上劃分為3個牙形石帶,分別是:The main results obtained were summarized as follows : 1. a hydroponics culture was conducted to study the effect of copper ( cu ) on growth, yield and cu uptake of three ecotypes of e. splendens and one e. argyi
在銅脅迫下,銅在海州香薷中的分佈特徵為:根系葉片莖稈,根部銅含量可達1394 - 2294mgkg ~ ( - 1 ) 。Some of the more pertinent variables include the relative wind, the type of terrain onto which the flammable fluid has drained, the fuel distribution, the location of the fuel spillage within the aircraft, the number of structural openings ( designed or crash produced ) that meter the inflowing air available for an internal fire, and the amount of fuel available to spill
某些更重要的因素,包括相應的風速,油料瀉溢的地面狀況,油料的分佈,飛機內油料外溢的位置,根據結構上開口的數量(設計上的與墜機造成的)來計算灌入的空氣是否會造成內部火災,以及可能外瀉的油料量。Based on the analyses of scheduling strategy and scheduling framework of tao ( the ace orb ), this paper studies the real - time scheduling and management of global priory in droce : how to determine the global priory of the dro ( distributed real - time object ) according to its timeliness and level of importance ; logical presentation and transparent transfer of the global priory ; the consistent mapping from global priory to local server priory ; the prevention of priory inversion, etc.
本文在分析tao調度服務的調度策略和調度框架的基礎上,研究了分佈實時環境下的全局優先級調度和管理:即如何根據分佈實時應用的時間特性和重要程度確定分佈實時應用對象的全局優先級別;全局優先級的邏輯表示與透明傳遞;全局優先級與服務器局部優先級的一致性映射;防止優先級反轉等問題。According to the characteristics of the human pronunciation and the speech spectrum distribution in the time - frequency dimension, the paper finds out that there is a shortcoming of the speech enhancement system which is based on the masking properties of human auditory
根據人的發音特點,通過分析語音的語譜在時-頻域的分佈,發現把聽覺掩蔽效應應用於語音增強時存在不足之處。In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。On the basis of speeches made by experts in the symposium on main agriculture products supply and demand prospects and structure optimization, 6 points of suggestion have been drawn conclusion, which is as follows : 1. include the optimizing agriculture structure and improving agriculture products quality in the key agenda of agriculture and rural economy working ; 2. enhance macro - conditioner of the government in practice, and effectively bring the economy cooperated organization of peasants into playing a bridge role aiming at market demands ; 3. carry out the working of high quality agriculture products zoning in a whole country, set up and consolidate the high quality agriculture products producing bases, and put into effects of the famous brana strategy of high quality agriculture products ; 4. according to the distribution of agriculture products consumer market, adjust and optimize agriculture products cropping structure, and snatch the chance to adjust export trade policy ; 5. according agro - business managing manner to organizing agriculture production, practically improve the level of agriculture products processing value ; 6. never slacken our efforts to produce grains
在「主要農產品供需前景與結構優化研討會」專家發言的基礎上,整理了六點建議:把優化農業結構和提高農產品質量列入農業和農村經濟工作的重要議事日程;以市場需求為導向,切實加強政府宏觀調控,有效發揮農民合作經濟組織的中介作用;開展全國范圍內的優質農產品區劃工作,建立和鞏固優質農產品生產基地,實施農產品優質品牌戰略;根據農產品消費市場的分佈,調整和優化農產品區域種植結構,不失時機地調整出口貿易策略;按產業化經營方式組織農業生產,切實提高我國農產品的加工值水平;絕不放鬆糧食生產。On the one side, the transportation demands of a city are decided by the urban form ; on the other side, some transportation performance indexes, such as mobility, accessibility and commuting time also could influence the urban form profoundly
一方面,城市形態是構成城市交通需求的根源,它們對于城市交通量的大小、交通源的分佈以及對交通工具的選擇都有非常重要的影響,往往從宏觀上決定了城市交通系統的結構和基礎。Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed
超過臨界深度的地下水,在蒸發作用下,將鹽分帶至地表或根系分佈層累積下來,形成鹽漬化土壤或鹽土、堿土。Based on the data of vector topographic map, the geomorphologic evolution stage of csmasp is studied with the aid of maplnfo and arc view. it is indicated that the research area is in the middle age and old age according to the davisan stage determine of geomorphologic evolution. the uplift and denuded amount in the period of neo - tectonics and the elevation of denudation surface of lincheng period ( mainly in quaternary ) are also discussed
根據高程分析結果,認為魯中南山地主要處于流域地貌發育的壯年、晚年期,並對魯中南山地第四紀構造抬升量與侵蝕速率、各流域臨城期山麓剝夷面的分佈高度等相關問題進行了理論探討,從理論上證明了魯中期剝夷面難以存在。Distribution of fine roots in a mixed cunninghamia lanceolata tsoongiodendron odorum plantation
杉木觀光木混交林細根的分佈On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
在中國西北黃土高原地區,水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明,陰坡立地上的根系消弱系數大於0 . 982 ,而陽坡立地上的根系消弱系數小於0 . 982 ,說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的,這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用,進而促進樹木地上部分的生長發育.圖3表3參15Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
文摘:在中國西北黃土高原地區,水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明,陰坡立地上的根系消弱系數大於0 . 982 ,而陽坡立地上的根系消弱系數小於0 . 982 ,說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的,這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用,進而促進樹木地上部分的生長發育.圖3表3參15On the distribution of the primitive root module n
的原根的分佈These papers aim to investigate the distribute of rfde with delays and the asymptotic behavior of its solutions
本文就時滯微分系統特徵根的分佈及其解的漸近行為作了一些研究,並得出了一些結論。In [ 1 ], the author investigated rf here and nfde with delays where detcm the author has established theorems of their eigenvalue distribution
文獻[ 1 ]中,作者就時滯微分方程其中和時滯中立型微分方程其中,給出了特徵根的分佈定理。The method that simple cubic equation was changed from general to standard was introduced and the distribution of standardized real root was illustrated, which solved the problem of the distribution of any real root for simple cubic equation
摘要介紹了一元三次方程一般式化為標準式的方法,結合圖形給出了標準式的實數根的分佈情況,從而解決了任意一元三次方程的實數根的分佈的問題。分享友人